[4] The nonet released their debut synth-pop digital single album Last Men and its title track on August 25, 2017.

[6] A tropical dance song, GreatGuys' second single album Ganda and eponymous title track was released on April 7, 2018.

[7] Main vocalist Daun contributed to the song's lyrics and Dongin wrote the rap portions of the track.

[3] Hosted at Seoul National University, the group performed at the 2018 Hallyu Dream Donation Concert.

[19] GreatGuys performed as the only South Korean act at the All Together Asia Land festival in Ho Chi Minh City later that month.

[20] GreatGuys embarked on a Caribbean tour in February 2020 and became the first K-pop group to hold a concert in the Dominican Republic.